The 20-year-old stopper, a graduate of the City Academy, heads to the Triton Showers Community Arena to experience some first team football as part of his on-going development with the Foxes.
Adam, who has already enjoyed loan spells with Chesterfield and Lincoln City since turning professional, will be available to make his Nuneaton debut this Saturday when the Boro host Barrow in the Blue Square Bet Premier.